A Sydney magistrate says controversial businessman Salim Mehajer has effectively been put under house arrest after he allegedly breached an apprehended violence order taken out on behalf of his estranged wife.

Mehajer was arrested and charged on Monday morning following a car crash in Kingsgrove in Sydney's south and appeared at Burwood Local Court facing two counts of breaching an apprehended violence order and one count of dangerous driving.

It's alleged the former Auburn deputy mayor was stalking his ex-partner Aysha Learmonth in the laneway behind her Kingsgrove home in his white four-wheel drive Audi in the early hours of Monday morning.

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Mehajer (pictured) returning to his Vaucluse residence having just been released on bail

Mehajer (pictured) had to hand in his passport and have someone post $10,000 to secure his bail

Mehajer (pictured) has a nightly curfew from 10pm to 5am and must report to police three times a week

Sydney magistrate says Salim Mehajer (pictured) has effectively been put under house arrest

Mehajer (pictured) allegedly breached an apprehended violence order taken out on behalf of his estranged wife

It's alleged Salim Mehajer (pictured) was stalking his ex-partner behind her Kingsgrove home

Salim Mehajer's Vaucluse home (pictured) 'where he will be virtually on house arrest'

The court heard Ms Learmonth was walking to her friend's car to get McDonald's when she saw the white car allegedly driven by Mehajer approach. She then fled into her home in fear.

Mehajer's barrister, George Thomas, said there was nothing to prove Mehajer was driving the car and there were "stark and significant" inconsistencies between the evidence of the proposed prosecution witnesses.

It's alleged Mehajer also breached his AVO by publishing an Instagram post at the weekend of him and Ms Learmonth.

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The post has since been deleted with Mehajer claiming his Instagram account was hacked.

Mr Thomas said that claim might have received a different reception if he was federal Liberal minister Christopher Payne who last week said his Twitter feed was hacked.

"But he's not Christopher Pyne - he's Mr Mehajer," Mr Thomas said.

The police prosecutor opposed bail saying there were risks Mehajer would commit further serious offences and there was concern he would interfere with witnesses or evidence - namely dash cam footage inside the car during the collision.

The 31-year-old smiled when he was granted bail by Magistrate Joy Boulos who imposed strict conditions and said he'd effectively be under house arrest in Vaucluse.

Mehajer tied the knot with Ms Learmonth (pictured on wedding day together) in August 2015, in a so-called 'wedding of the century'

Mehajer's lawyer said the 31-year-old allegedly violated the AVO taken out by police on behalf of Ms Learmonth by posting an image (pictured) of the couple together to Instagram on Sunday night

"Mehajer is entitled to the presumption of innocence and I do propose to grant him bail with very stringent conditions where he will be virtually on house arrest," the magistrate said.

Mehajer has a nightly curfew from 10pm to 5am and must report to police three times a week. He's not to use any social media sites to contact his estranged wife.

He must also stay away from the Kingsgrove area where she lives.

Mehajer had to hand in his passport and have someone post $10,000 to secure his bail.

He left court on Monday evening wearing a blue tracksuit and thongs.

He made no comment to media - except to laugh at times - before jumping into a white BMW SUV driven by a male friend.

Monday's crash was the second in less than a month for the former Auburn deputy mayor after he smashed his luxury 4WD in October on his way to court to face assault charges.

Mehajer first came to wider public attention in August 2015 when he closed a street in the suburb of Lidcombe for his glitzy nuptials.

But after less than a year of marriage, NSW police sought an AVO against Mehajer to protect his wife Ms Learmonth.

Mehajer is due to reappear at Burwood Local Court on March 26 and 27 to face the AVO breaches and dangerous driving charge.

Last week, Mehajer claimed their separation was nothing but a ruse (pictured together in 2015)